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}
@article{volodin1978three,
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  year={1978},
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}

@article{volodin1981nature,
  title={The nature of differences in some forms of transition in the boundary layer},
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  journal={AIAA J.},
  volume={19},
  number={7},
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  year={1981}
}
@article{herbert1988secondary,
  title={Secondary instability of boundary layers},
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  volume={20},
  number={1},
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  year={1988},
  publisher={Annual Reviews 4139 El Camino Way, PO Box 10139, Palo Alto, CA 94303-0139, USA}
}
@article{herbert1983secondary,
  title={Secondary instability of plane channel flow to subharmonic three-dimensional disturbances},
  author={Herbert, T.},
  journal={Phys. Fluids},
  volume={26},
  number={4},
  pages={871--874},
  year={1983},
  publisher={AIP}
}

@article{klebanoff1962three,
  title={The three-dimensional nature of boundary-layer instability},
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  volume={12},
  number={1},
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  year={1962},
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}

@inproceedings{saric1984experiments,
  title={Experiments on the subharmonic route to turbulence in boundary layers},
  author={Saric, W. S. and Thomas, A. S. W.},
  booktitle={Turbulence and chaotic phenomena in fluids},
  pages={117--122},
  year={1984}
}
@article{kachanov1977nonlinear,
  title={Nonlinear development of a wave in a boundary layer},
  author={Kachanov, Y. S. and Kozlov, V. V. and Levchenko, V. Y.},
  journal={Fluid Dyn.},
  volume={12},
  number={3},
  pages={383--390},
  year={1977},
  publisher={Springer}
}

@article{kachanov1984resonant,
  title={The resonant interaction of disturbances at laminar-turbulent transition in a boundary layer},
  author={Kachanov, Y. S. and Levchenko, V. Y.},
  journal={J. Fluid Mech.},
  volume={138},
  pages={209--247},
  year={1984},
  publisher={Cambridge University Press}
}

@article{kachanov1994physical,
  title={Physical mechanisms of laminar-boundary-layer transition},
  author={Kachanov, Y. S.},
  journal={Annu. Rev. Fluid Mech.},
  volume={26},
  number={1},
  pages={411--482},
  year={1994},
  publisher={Annual Reviews 4139 El Camino Way, PO Box 10139, Palo Alto, CA 94303-0139, USA}
}
@article{bake2002turbulence,
  title={Turbulence mechanism in {Klebanoff} transition: a quantitative comparison of experiment and direct numerical simulation},
  author={Bake, S. and Meyer, D. G. W. and Rist, U.},
  journal={J. Fluid Mech.},
  volume={459},
  pages={217--243},
  year={2002},
  publisher={Cambridge University Press}
}


@incollection{kosinov1985development,
  title={Development of Artificially Excited Disturbances in Supersonic Boundary Layer},
  author={Kosinov, A. D. and Maslov, A. A.},
  booktitle={Procedia IUTAM.},
  pages={601--606},
  year={1985},
  publisher={Springer}
}
@article{kosinov1990experiments,
  title={Experiments on the stability of supersonic laminar boundary layers},
  author={Kosinov, A. D. and Maslov, A. A. and Shevelkov, S. G.},
  journal={J. Fluid Mech.},
  volume={219},
  pages={621--633},
  year={1990},
  publisher={Cambridge University Press}
}
@incollection{kosinov1994experiments,
  title={Experiments on the nonlinear instability of supersonic boundary layers},
  author={Kosinov, A. D. and Semionov, N. V. and Shevel’kov, S. G. and Zinin, O. I.},
  booktitle={Nonlinear Instability of Nonparallel Flows},
  pages={196--205},
  year={1994},
  publisher={Springer}
}
@article{kosinov1994investigation,
  title={Investigation of supersonic boundary layer stability and transition using controlled disturbances},
  author={Kosinov, A. D. and Semionov, N. V. and Shevelkov, S. G.},
  journal={Methods of Aerophysical Research (ed. AM Kharitonov)},
  volume={2},
  pages={159--166},
  year={1994}
}
@article{kosinov1997experimental,
  title={An experimental study of generation of unstable disturbances on the leading edge of a plate at {M}= 2},
  author={Kosinov, A. D. and Maslov, A. A. and Semionov, N. V.},
  journal={J. Appl. Mech. Tech. Phys.},
  volume={38},
  number={1},
  pages={45--51},
  year={1997},
  publisher={Springer}
}

@inproceedings{ermolaev1996experimental,
  title={Experimental investigation of laminar-turbulent transition process in supersonic boundary layer using controlled disturbances},
  author={Ermolaev, Y. G. and Kosinov, A. D. and Semionov, N. V.},
  booktitle={Procedia IUTAM.},
  pages={17--26},
  year={1996},
  organization={Springer}
}
@inproceedings{kosinov1996resonance,
  title={Resonance interaction of wave trains in supersonic boundary layer},
  author={Kosinov, A. D. and Tumin, A.},
  booktitle={Procedia IUTAM.},
  pages={379--388},
  year={1996},
  organization={Springer}
}
@incollection{fezer2000spatial,
  title={Spatial direct numerical simulation of transition phenomena in supersonic flat-plate boundary layers},
  author={Fezer, A. and Kloker, M.},
  booktitle={Procedia IUTAM.},
  pages={415--420},
  year={2000},
  publisher={Springer}
}

@inproceedings{fasel1993direct,
  title={Direct numerical simulation of transition in supersonic boundary layers: oblique breakdown},
  author={Fasel, H. and Thumm, A. and Bestek, H.},
  booktitle={Fluids Engineering Conference},
  pages={77--92},
  year={1993},
  organization={Published by ASME}
}

@article{tumin1996nonlinear,
  title={Nonlinear interaction of wave trains in a supersonic boundary layer},
  author={Tumin, A.},
  journal={Phys. Fluids},
  volume={8},
  number={9},
  pages={2552--2554},
  year={1996},
  publisher={AIP}
}
@article{tumin1995three,
  title={Three-wave non-linear interaction in a three-dimensional compressible boundary layer},
  author={Tumin, A.},
  journal={Int. J. Non-Linear Mech.},
  volume={30},
  number={5},
  pages={661--671},
  year={1995},
  publisher={Elsevier}
}

@article{schneider1994experiments,
  title={Experiments on single oblique laminar-instability waves in a boundary layer: Introduction, growth, and transition},
  author={Schneider, S. P. and Coles, D.},
  journal={Phys. Fluids},
  volume={6},
  number={3},
  pages={1191--1203},
  year={1994},
  publisher={AIP}
}
@article{chang1994oblique,
  title={Oblique-mode breakdown and secondary instability in supersonic boundary layers},
  author={Chang, C.-L. and Malik, M. R.},
  journal={J. Fluid Mech.},
  volume={273},
  pages={323--360},
  year={1994},
  publisher={Cambridge University Press}
}


@inproceedings{mayer2007investigation,
  title={Investigation of oblique breakdown in a supersonic boundary layer at {Mach} 2 using {DNS}},
  author={Mayer, C. and Wernz, S. and Fasel, H.},
  booktitle={AIAA Paper},
  pages={2007-0949},
  year={2007}
}
@inproceedings{mayer2008investigation,
  title={Investigation of asymmetric subharmonic resonance in a supersonic boundary layer at {Mach} 2 using {DNS}},
  author={Mayer, C. and Fasel, H.},
  booktitle={AIAA Paper},
  pages={2008-0591},
  year={2008}
}
@inproceedings{laible2009numerical,
  title={Numerical investigation of transition for a cone at {Mach} 3.5: oblique breakdown},
  author={Laible, A. and Mayer, C. and Fasel, H.},
  booktitle={AIAA Paper},
  pages={2009-3557},
  year={2009}
}
@inproceedings{mayer2010detailed,
  title={Detailed comparison of {DNS} with {PSE} for oblique breakdown at {Mach} 3},
  author={Mayer, C. and Fasel, H. and Choudhari, M. and Chang, C.-L.},
  booktitle={AIAA Paper},
  pages={2010-4596},
  year={2010}
}

@article{mayer2011direct,
  title={Direct numerical simulation of complete transition to turbulence via oblique breakdown at {Mach} 3},
  author={Mayer, C. and Von T., Dominic A. and Fasel, H.},
  journal={J. Fluid Mech.},
  volume={674},
  pages={5--42},
  year={2011},
  publisher={Cambridge University Press}
}



@inproceedings{wheaton2009instability,
  title={Instability and transition measurements in the {Mach}-6 quiet tunnel},
  author={Wheaton, B. and Juliano, T. and Berridge, D. and Chou, A. and Gilbert, P. and Casper, K. and Steen, L. and Schneider, S. and Johnson, H.},
  booktitle={AIAA Paper},
  pages={2009-3559},
  year={2009}
}

@phdthesis{chynoweth2018measurements,
  title={Measurements of Transition Dominated by the Second-Mode Instability at {Mach} 6},
  author={Chynoweth, B. C.},
  year={2018},
  school={Purdue University}
}
@article{schneider2015,
  title={Developing mechanism-based methods for estimating hypersonic boundary-layer transition in flight: the role of quiet tunnels},
  author={Schneider, S. P.},
  journal={Prog. Aero. Sci.},
  volume={72},
  pages={17--29},
  year={2015},
}

@inproceedings{koevary2010numerical,
  title={Numerical simulations of controlled transition for a circular cone at {Mach} 8},
  author={Koevary, C. and Laible, A. and Mayer, C. and Fasel, H.},
  booktitle={AIAA Paper},
  pages={2010-4598},
  year={2010}
}


@article{masad1990subharmonic,
  title={Subharmonic instability of compressible boundary layers},
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  volume={2},
  number={8},
  pages={1380--1392},
  year={1990},
  publisher={AIP}
}
@article{masad1992effects,
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  journal={Phys. Fluids A},
  volume={4},
  number={5},
  pages={963--974},
  year={1992},
  publisher={AIP}
}
@article{ng1992secondary,
  title={Secondary instabilities in compressible boundary layers},
  author={Ng, L. L. and Erlebacher, G.},
  journal={Phys. Fluids A},
  volume={4},
  number={4},
  pages={710--726},
  year={1992},
  publisher={AIP}
}
@article{el1992secondary,
  title={Secondary instability of high-speed flows and the influence of wall cooling and suction},
  author={El-Hady, Nabil M.},
  journal={Phys. Fluids A},
  volume={4},
  number={4},
  pages={727--743},
  year={1992},
  publisher={AIP}
}

@inproceedings{laible2011numerical,
  title={Numerical investigation of hypersonic transition for a flared and a straight cone at Mach 6},
  author={Laible, A. and Fasel, H.},
  booktitle={AIAA Paper},
  pages={2011-3565},
  year={2011}
}

@article{chynoweth2019history,
  title={History and Progress of Boundary-Layer Transition on a {Mach}-6 Flared Cone},
  author={Chynoweth, B. C. and Schneider, S. P. and Hader, C. and Fasel, H. and Batista, A. and Kuehl, J. and Juliano, T. J. and Wheaton, B. M.},
  journal={J. Spacecr. Rockets},
  volume={56},
  number={2},
  pages={333--346},
  year={2019},
  publisher={American Institute of Aeronautics and Astronautics}
}



@article{li2012secondary,
  title={Secondary instability of second mode disturbances in hypersonic boundary layers},
  author={Li, F. and Choudhari, M. and Chang, C.-L. and White, J.},
  journal={NASA Tech. Rep.},
  pages={NF1676L-13407},
  year={2012}
}
@inproceedings{sivasubramanian2012nonlinear,
  title={Nonlinear stages of transition and breakdown in a boundary layer on a sharp cone at {Mach} 6},
  author={Sivasubramanian, J. and Fasel, H.},
  booktitle={AIAA Paper},
  pages={2012-0087},
  year={2012}
}
@article{li2010direct,
  title={Direct numerical simulation of hypersonic boundary layer transition over a blunt cone with a small angle of attack},
  author={Li, X. and Fu, D. and Ma, Y.},
  journal={Phys. Fluids},
  volume={22},
  number={2},
  pages={025105},
  year={2010},
  publisher={AIP}
}
@article{sivasubramanian2014numerical,
  title={Numerical investigation of the development of three-dimensional wavepackets in a sharp cone boundary layer at {Mach} 6},
  author={Sivasubramanian, J. and Fasel, H.},
  journal={J. Fluid Mech.},
  volume={756},
  pages={600--649},
  year={2014},
  publisher={Cambridge University Press}
}
@article{sivasubramanian2015direct,
  title={Direct numerical simulation of transition in a sharp cone boundary layer at {Mach} 6: fundamental breakdown},
  author={Sivasubramanian, J. and Fasel, H.},
  journal={J. Fluid Mech.},
  volume={768},
  pages={175--218},
  year={2015},
  publisher={Cambridge University Press}
}
@inproceedings{hader2016laminar,
  title={Laminar-turbulent transition on a flared cone at {Mach} 6},
  author={Hader, C. and Fasel, H.},
  booktitle={AIAA Paper},
  pages={2016-3344},
  year={2016}
}

@inproceedings{hader2017fundamental,
  title={Fundamental resonance breakdown for a flared cone at {Mach} 6},
  author={Hader, C. and Fasel, H.},
  booktitle={AIAA Paper},
  pages={2017-0765},
  year={2017}
}


@inproceedings{meersman2018hypersonic,
  title={Hypersonic boundary-layer transition: comparison of the fundamental resonance breakdown for a flared and straight cone at {Mach} 6},
  author={Meersman, J. A. and Hader, C. and Fasel, H.},
  booktitle={AIAA Paper},
  pages={2018-3851},
  year={2018}
}
@Article{fasel2019JFM,
  author = 	 {Hader, C. and Fasel, H.},
  title = 	 {Direct numerical simulations of hypersonic boundary-layer transition for a flared cone: fundamental breakdown.},
  journal = 	 {J. Fluid Mech.},
  year = 	 {2019},
  volume = 	 {869},
  pages = 	 {341--384},
}

% pse
@article{bertolotti1991analysis,
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@inproceedings{chang2004lastrac,
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  booktitle={AIAA Paper},
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  year={2004}
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@inproceedings{chang2003langley,
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  author={Chang, C.-L.},
  booktitle={AIAA Paper},
  pages={2003-0974},
  year={2003}
}
@article{zhang2007verification,
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  number={8},
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@article{ren2015secondary,
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  volume={781},
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@article{xu2019secondary,
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  volume={873},
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  year={2019},
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@article{wu2007catalytic,
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@article{zhuyid_pof2018,
	title={Aerodynamic Heating in Transitional Hypersonic Boundary Layers: Role of Second-Mode Instability},
	author={ Zhu, Y.  and  Chen, X.  and  Wu, J.  and  Chen, S.  and  Lee, C.  and  Gad-El-Hak, M. },
	journal={Physics of Fluids},
	volume={30},
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	year={2018},
	doi={https://doi.org/10.1063/1.5005529}
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@article{zhuyd_pof_2020Acoustic,
	title={Acoustic-Wave-Induced Cooling in Onset of Hypersonic Turbulence},
	author={ Zhu, Y.  and  Zhu, W.  and  Gu, D.  and  Chen, S. and Lee, C. and Oran, Elaine S.},
	journal={Physics of Fluids},
	volume={32},
	number={6},
	pages={061702},
	year={2020},
	doi={https://doi.org/10.1063/5.0011871}
}
@article{LeeCB_2019Flow,
	title={Flow Structures in Transitional and Turbulent Boundary Layers},
	author={ Lee, C.  and  Jiang, X. },
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@article{xu2020secondary,
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@article{xu2021pressureg,
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	journal={Physics of Fluids},
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	year={2021},
	publisher={AIP Publishing LLC},
	doi={https://doi.org/10.1063/5.0033183}
}
%% End of file `jfm2esam.bib'.
